Cleartex Advantagemat floor protection is ideal for maintaining all areas of the home and workplace with continuous antimicrobial protection on the mat surface for the life of the product. Antimicrobial additive helps combat the growth of microbes such as bacteria and mold that can cause stains, odors and cross-contamination. Transparent finish allows the natural beauty of a carpet design to show through while protecting floors from damaging wear and tear caused by chair casters. Rectangular mat will not crack, chip, break or shatter under normal use. Unique phthalate-free formulation PVC provides improved air quality. Mat is free of lead, tin and cadmium and 100 percent recyclable. It is also manufactured using up to 30 percent renewable energy. Use on standard-pile carpets up to 3/8" thick.